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Product Detailed Parameters
- Description：CMC 51UH 300MA 2LN SMD AEC-Q200
- Series：1812CAN
- Mfr：Coilcraft
- Package：Tape & Reel (TR)
- Filter Type：Power Line
- Number of Lines：2
- Current Rating (Max)：300mA
- DC Resistance (DCR) (Max)：590mOhm
- Voltage Rating - DC：-
- Voltage Rating - AC：-
- Operating Temperature：-40°C ~ 125°C
- Ratings：AEC-Q200
- Approval Agency：-
- Features：-
- Mounting Type：Surface Mount
- Size / Dimension：0.195" L x 0.125" W (4.95mm x 3.18mm)
- Height (Max)：0.118" (3.00mm)
- Package / Case：Horizontal, 4 PC Pad
- Inductance @ Frequency：51 µH @ 100 kHz
- Impedance @ Frequency：-
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Overview
The Coilcraft 1812CAN-513NRC is a shielded common mode choke designed for CANbus applications. It features an inductance of 51 uH with a tolerance of 30%. The component supports a maximum DC current of 260 mA and has a maximum DC resistance of 800 mOhms. It operates within a temperature range of -40 C to +125 C. The device is housed in a 1812 (4532 metric) surface mount package, measuring 4.95 mm in length, 3.18 mm in width, and 3 mm in height. It utilizes a ferrite core and holds AEC-Q200 qualification.
Feature Summary
- Shielded construction for effective noise suppression
- AEC-Q200 qualified for automotive reliability
- Ferrite core material for high-frequency performance
Applications
- CANbus signal line protection
- Automotive electronic modules
- Common mode noise filtering
Procurement Notes
Verify the specific manufacturer datasheet for the 1812CAN-513NRC to confirm current availability and lead times. Ensure that the ordering suffix matches the required packaging format, such as cut tape or reel, as these may affect handling and storage requirements. Cross-reference the part number with official distributor catalogs to validate authenticity and technical specifications before procurement.
Selection Notes
Select this component when designing circuits requiring robust common mode rejection for differential data lines. The 1812 footprint allows for compact PCB layouts while maintaining adequate current handling capabilities. Consider the 260 mA saturation current limit to ensure stable operation under expected load conditions. The wide operating temperature range makes it suitable for harsh automotive environments.
Part Context
This component belongs to the Coilcraft 1812CAN series, which is specifically engineered for automotive communication networks. The series offers various inductance values to suit different frequency requirements. As a shielded common mode choke, it provides superior electromagnetic interference mitigation compared to unshielded alternatives, ensuring signal integrity in noisy electrical environments.
Replacement Considerations
Check for alternative part numbers within the same 1812CAN series that offer compatible inductance and current ratings. Verify pinout compatibility and physical dimensions if substituting with components from other manufacturers. Ensure any replacement also meets AEC-Q200 standards for automotive application suitability.
